Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: CLMBOH11IMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
614-385 A Alton OH 7421 AT&T LOCAL 324      
614-601 A Worthington OH 7421 AT&T LOCAL 324      
614-602 A Dublin OH 7421 AT&T LOCAL 324      
614-604 A Reynoldsburg OH 7421 AT&T LOCAL 324      
614-606 A Hilliard OH 7421 AT&T LOCAL 324      
614-682 A Westerville OH 7421 AT&T LOCAL 324      
614-822 A Dublin OH 7421 AT&T LOCAL 324      
740-302 A Ironton OH 7421 AT&T LOCAL 324      
740-415 A Lancaster OH 7421 AT&T LOCAL 324      
740-552 A Coshocton OH 7421 AT&T LOCAL 324      
740-895 A Washington Court House OH 7421 AT&T LOCAL 324      
740-908 A London OH 7421 AT&T LOCAL 324      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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